title: Gastric outlet obstruction as a consequence of a duodenal web masquerading as gastrinoma in an adult.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004386:Duodenum / Q000002:abnormalities* / Q000601:surgery; D005745:Gastric Acidity Determination; D017219:Gastric Outlet Obstruction / Q000175:diagnosis* / Q000209:etiology; D015408:Gastrinoma / Q000175:diagnosis*; D005755:Gastrins / Q000097:blood; D006801:Humans; D006965:Hyperplasia / Q000209:etiology; D008297:Male; D010190:Pancreatic Neoplasms / Q000175:diagnosis*; D010437:Peptic Ulcer / Q000175:diagnosis / Q000209:etiology; D013270:Stomach / Q000473:pathology
chemical_list: D005755:Gastrins